Home / 45,429.54-68,152.82-14,257.50

Finding the Fourth Proportional to 45,429.54, 68,152.82 and 14,257.50

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Solution

The fourth proportional to 45,429.54, 68,152.82 and 14,257.50 is: 21,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.54 : 68,152.82 = 14,257.50 : x
  2. Step 2: Convert to fraction form
    45,429.54/68,152.82 = 14,257.50/x
  3. Step 3: Cross multiply
    45,429.54x = 68,152.82 × 14,257.50
  4. Step 4: Simplify right side
    45,429.54x = 971,688,759.86
  5. Step 5: Solve for x
    x = 971,688,759.86/45,429.54
  6. Step 6: Final answer
    x = 21,388.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.